426621420061626 has 16 divisors (see below), whose sum is σ = 853320769092000. Its totient is φ = 142194151859088.

The previous prime is 426621420061597. The next prime is 426621420061643. The reversal of 426621420061626 is 626160024126624.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3246969196 + ... + 3247100583.

It is an arithmetic number, because the mean of its divisors is an integer number (53332548068250).

Almost surely, 2^{426621420061626} is an apocalyptic number.

426621420061626 is an abundant number, since it is smaller than the sum of its proper divisors (426699349030374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

426621420061626 is a wasteful number, since it uses less digits than its factorization.

426621420061626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6494080733.

The product of its (nonzero) digits is 1990656, while the sum is 48.

The spelling of 426621420061626 in words is "four hundred twenty-six trillion, six hundred twenty-one billion, four hundred twenty million, sixty-one thousand, six hundred twenty-six".